Finding the Fourth Proportional to 5,381,572.53, 7,426,628.07 and 2,934,163.62
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Solution
The fourth proportional to 5,381,572.53, 7,426,628.07 and 2,934,163.62 is: 4,049,177.41
Step by Step Solution
- Step 1: Write the proportion equation
5,381,572.53 : 7,426,628.07 = 2,934,163.62 : x - Step 2: Convert to fraction form
5,381,572.53/7,426,628.07 = 2,934,163.62/x - Step 3: Cross multiply
5,381,572.53x = 7,426,628.07 × 2,934,163.62 - Step 4: Simplify right side
5,381,572.53x = 21,790,941,902,264.82 - Step 5: Solve for x
x = 21,790,941,902,264.82/5,381,572.53 - Step 6: Final answer
x = 4,049,177.41
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.